Find the missing side of a rectangle

Divide the area by the side you know.

1. A rectangular classroom rug is 5 m long and 2 m wide. What is its area?
2. A rectangular classroom rug is 3 m long and 5 m wide. What is its area?
3. A rectangular poster is 9 dm long and 4 dm wide. What is its area?
4. A rectangular garden is 4 m long and 4 m wide. What is its area?
5. A rectangular garden has an area of 15 square metres. It is 5 m long. How wide is it?
6. A rectangular poster is 5 dm long and 10 dm wide. What is its area?
7. A rectangular poster has an area of 60 square decimetres. It is 10 dm long. How wide is it?
8. A rectangular patio has an area of 28 square metres. It is 7 m long. How wide is it?
9. A rectangular garden is 3 m long and 6 m wide. What is its area?
10. A rectangular classroom rug is 4 m long and 4 m wide. What is its area?
11. A rectangular classroom rug has an area of 12 square metres. It is 4 m long. How wide is it?
12. A rectangular vegetable bed is 3 m long and 3 m wide. What is its area?
13. A rectangular classroom rug is 3 m long and 4 m wide. What is its area?
14. A rectangular poster has an area of 70 square decimetres. It is 7 dm long. How wide is it?
15. A rectangular vegetable bed has an area of 72 square metres. It is 8 m long. How wide is it?
16. A rectangular vegetable bed has an area of 12 square metres. It is 6 m long. How wide is it?
17. A rectangular poster is 6 dm long and 10 dm wide. What is its area?
18. A rectangular vegetable bed is 3 m long and 9 m wide. What is its area?
19. A rectangular vegetable bed has an area of 16 square metres. It is 8 m long. How wide is it?
20. A rectangular poster is 4 dm long and 7 dm wide. What is its area?